CN108153203B - Fire hydrant box abnormal real-time monitoring system of LoRa star-shaped network structure - Google Patents
Fire hydrant box abnormal real-time monitoring system of LoRa star-shaped network structure Download PDFInfo
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- CN108153203B CN108153203B CN201810035407.6A CN201810035407A CN108153203B CN 108153203 B CN108153203 B CN 108153203B CN 201810035407 A CN201810035407 A CN 201810035407A CN 108153203 B CN108153203 B CN 108153203B
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- 230000002159 abnormal effect Effects 0.000 title claims abstract description 20
- 238000012544 monitoring process Methods 0.000 title claims abstract description 19
- 238000004891 communication Methods 0.000 claims abstract description 31
- 238000005192 partition Methods 0.000 claims abstract description 6
- 239000003990 capacitor Substances 0.000 claims description 90
- 239000013078 crystal Substances 0.000 claims description 27
- 239000004020 conductor Substances 0.000 claims description 14
- 230000005856 abnormality Effects 0.000 claims 1
- 208000012661 Dyskinesia Diseases 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 7
- 230000000087 stabilizing effect Effects 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0428—Safety, monitoring
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/24—Pc safety
- G05B2219/24024—Safety, surveillance
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention relates to a fire hydrant box abnormal real-time monitoring system with a LoRa star-shaped network structure, and belongs to the field of Internet of things. The intelligent fire hydrant box lock based on the LoRa comprises an intelligent fire hydrant box lock based on the LoRa, a LoRa base station, a cloud server and a terminal system. The intelligent fire hydrant box lock based on the LoRa is used for monitoring fire hydrant box abnormal conditions, and when abnormal conditions are detected, position information of the fire hydrant is sent to a nearby base station through the LoRa communication module. The LoRa base station is based on an SX1301 chip module, can receive data sent by a LoRa terminal within a range of 5km nearby, and uploads the data to a cloud server through an MQTT protocol; the cloud server can transmit data to terminal equipment such as a fire-fighting partition or a community property, informs a manager that the fire hydrant box is opened, and the manager can identify the fire hydrant box in abnormal movement according to the unique identification ID of the fire hydrant lock.
Description
Technical Field
The invention relates to a fire hydrant box abnormal real-time monitoring system with a LoRa star-shaped network structure, and belongs to the field of Internet of things.
Background
In cities, fire is one of the most frequent and common major hazards threatening personal and social security. When a fire disaster happens, residents can take equipment in the fire hydrant box to save oneself timely, the fire hydrant box can also provide water for a fire engine, and important effects of the fire hydrant box in the fire disaster can be seen. The fire hydrant box is stolen and destroyed, and the manager also often negligibly supervises fire-fighting equipment due to reasons such as labor cost, even the fire hydrant box is directly locked by a lock, so that fire can not be extinguished by taking fire-extinguishing materials in the fire hydrant box in time when a fire disaster occurs, and finally unnecessary casualties and property loss are caused. In particular, during the new year and holiday of lunar calendar in China, although fire departments organize to check the integrity of fire equipment, because of the numerous and scattered fire hydrant boxes, the manpower is difficult to organize for one-to-one check, so how to effectively monitor the abnormal situation of the scattered fire hydrant boxes with low cost becomes an important aspect for preventing fire and reducing the degree of fire disasters.
Disclosure of Invention
The invention aims to solve the technical problems that: the invention provides a fire hydrant box abnormal real-time monitoring system with a LoRa star-shaped network structure, which mainly solves the problems of scattered distribution in monitoring communities, office buildings, markets and other personnel-intensive places, difficulty in manual supervision and low cost and power consumption. When someone opens the fire hydrant box, the position information of the fire hydrant box is sent to a nearby manager and fire-fighting branch office through the base station and the cloud in a wireless mode, so that measures can be taken in time to check and repair.
The technical scheme adopted by the invention is as follows: the utility model provides a fire hydrant case transaction real-time monitoring system based on LoRa star network structure, includes intelligent fire hydrant case lock, loRa basic station 5, high in the clouds server 4, end system based on LoRa, intelligent fire hydrant case lock includes power module 1, fire hydrant case switch trigger module 2, STM32L15 series low-power consumption singlechip module 3, loRa communication module 6, power module 1 is connected with STM32L15 series low-power consumption singlechip module 3, loRa communication module 6, fire hydrant case switch trigger module 2, loRa communication module 6 is connected with STM32L15 series low-power consumption singlechip module 3, STM32L15 series low-power consumption singlechip module 3 is in sleep state and stores the ID number of the unique sign of intelligent fire hydrant case lock based on LoRa, fire hydrant case switch trigger module 2 is used for carrying out the interrupt to trigger to 32L15 series low-power consumption singlechip module 3 when the lock is opened, loRa communication module 6 and LoRa basic station 5 wireless connection, loRa basic station 5 and STM 4 wireless connection, high in the cloud terminal 4 wireless connection with the end system.
The fire hydrant box switch triggering module 2 comprises a locking plate 9, a lock bin door 10 with a LoRa mark, a fire hydrant box switch 11, a lock pin 17, an elastic support 18, an insulating gasket 19 and an elastic conductor column 20, wherein the locking plate 9 is connected with the lock bin door 10 with the LoRa mark, the power module 1 comprises a battery bin door 14 and a battery 13, the positive electrode of the battery 13 is led out of the positive electrode battery column 21, the negative electrode of the battery 13 is led out of the negative electrode battery column 22, the positive electrode battery column 21 is connected with the elastic conductor column 20 through a wire, the elastic conductor column 20 and the lock pin 17 are connected in an insulating mode through the insulating gasket 19, the elastic support 18 is connected behind the fire hydrant box switch 11, the lock pin 17 is connected with the elastic support 18 and is connected in the lock bin door 10 with the LoRa mark, when the fire hydrant box switch 11 is pressed down, the elastic support 18 is contracted, the lock pin 17 is separated from the lock bin door 10 with the LoRa mark, accordingly, the lock bin door 10 with the LoRa mark is sprung open to a vertical state, the fire hydrant box is opened, when the fire hydrant box switch 11 is pressed down, the electric signal is connected with the fire hydrant box switch 11 through the wire, the wire is connected with the lock pin 16 through the wire, the wire is connected with the fire hydrant box switch 16 in sequence, the fire hydrant box switch is connected with the fire hydrant box switch 11 through the wire, and the fire hydrant box switch is connected with the fire hydrant box switch through the wire, and the fire hydrant box switch, and the fire hydrant switch is connected with the fire hydrant switch, and the fire hydrant switch is in the fire hydrant, and the fire hydrant.
The STM32L15 series low-power consumption single chip microcomputer module 3 comprises a voltage-reducing voltage-stabilizing circuit, an STM32L15 series single chip microcomputer module circuit, a LoRa communication module circuit and a switch triggering interrupt circuit, wherein the voltage-reducing voltage-stabilizing circuit comprises a diode D1, a polar capacitor C6, a capacitor C7, a capacitor C8, a capacitor C9, a resistor R4, a resistor R5, a resistor R6, an inductor L1 and a voltage-reducing voltage-stabilizing chip SX2106, the positive electrode of a power supply led out from a battery box is connected with the positive electrode of the diode D1, the negative electrode of the diode D1 is connected with the No. 5 pin of the chip SX2106, and meanwhile, the negative electrode of the diode D1 is connected with the positive electrode of the polar capacitor C6, one end of the capacitor C7 and one end of the resistor R4; the negative electrode of the polar capacitor C6 and the other end of the polar capacitor C7 are connected with the negative electrode of the power supply led out from the battery box; the other end of the resistor R4 is connected with a pin 4 of the chip SX 2106; the No. 1 pin of the chip SX2106 is connected with one end of a capacitor C8, the other end of the capacitor C8 and the No. 6 pin of the chip SX2106 are connected with one end of an inductor L1, the other end of the inductor L1 is simultaneously connected with one end of a resistor R5 and one end of a capacitor C9, and the inductor L1 is simultaneously led out to be a 3.3V power supply anode to supply power to a singlechip system and each module; the other end of the resistor R5 is connected with the No. 3 pin of the chip SX2106 and one end of the R6, the other end of the resistor R6 and the other end of the capacitor C9 are connected with the No. 2 pin of the chip SX2106, and are simultaneously connected to the power supply negative electrode of the battery box, and the power supply negative electrode is led out to be 3.3V and used as a power supply loop of the singlechip system and each module.
The STM32L15 series singlechip module circuit comprises an STM32L151C8T6 singlechip, a crystal oscillator circuit, a reset circuit and a mode selection circuit, wherein the crystal oscillator circuit comprises a capacitor C1, a capacitor C2, a capacitor C3, a capacitor C4, a resistor R1, a crystal oscillator Y1 and a crystal oscillator Y2; the reset circuit comprises a capacitor C5, a resistor R2 and a tact switch S1, and the mode selection circuit comprises a resistor R3; in the crystal oscillator circuit, the negative electrode of a power supply is simultaneously connected with one end of a capacitor C1, a capacitor C2, a capacitor C3 and a capacitor C4; the other end of the capacitor C1 is connected with one end of the crystal oscillator Y1 and a pin 3 of the STM32L151C8T6 singlechip; the other end of the capacitor C2 is connected with the other end of the crystal oscillator Y1 and a pin 4 of the STM32L151C8T6 singlechip; the other end of the capacitor C3 is connected with one end of the crystal oscillator Y2 and one end of the resistor R1, and is simultaneously connected with the pin 5 of the STM32L151C8T6 singlechip; the other end of the capacitor C4 is connected with the other end of the crystal oscillator Y2 and the other end of the resistor R1, and is simultaneously connected with the pin 6 of the STM32L151C8T6 singlechip; in the reset circuit, one end of a resistor R2 is connected with the positive electrode of a 3.3V power supply; one end of the tact switch S1 and one end of the capacitor C5 are simultaneously connected with the negative electrode of the 3.3V power supply; the other end of the resistor R2, the other end of the switch S1 and the other end of the capacitor C5 are simultaneously connected with the pin 7 of the STM32L151C8T6 singlechip; in the mode selection circuit, one end of a resistor R3 is connected with the negative electrode of a 3.3V power supply, and the other end of the resistor R3 is connected with a pin 44 of the STM32L151C8T6 singlechip; pin 1, pin 9, pin 24, pin 35 and pin 47 of the STM32L151C8T6 singlechip are connected with the positive electrode of a 3.3V power supply; pin 8, pin 23, pin 36 and pin 48 of the STM32L151C8T6 singlechip are connected with the negative pole of the 3.3V power supply.
The LoRa communication module circuit comprises a LoRa module based on SX1208 and an antenna E1; the switch triggering interrupt circuit comprises a fire hydrant box lock switch S2, a capacitor C10 and a resistor R7; pin 1 of the LoRa module is connected with antenna E1; pin 4 of the LoRa module is connected with pin 13 of the STM32L151C8T6 singlechip; pin 5 of LoRa module connects pin 11 of STM32L151C8T6 singlechip; pin 15 of the LoRa module is connected with pin 14 of STM32L151C8T6 singlechip; pin 14 of the LoRa module is connected with pin 17 of the STM32L151C8T6 singlechip; pin 13 of the LoRa module is connected with pin 16 of STM32L151C8T6 singlechip; pin 12 of the LoRa module is connected with pin 15 of the STM32L151C8T6 singlechip; in addition, pin 3 of the LoRa module is connected with the positive electrode of a 3.3V power supply; pin 2, pin 9, and pin 16 of the LoRa module are connected to the negative pole of the 3.3V power supply. One end of the fire hydrant box lock switch S2 and one end of the capacitor C10 are connected with the positive electrode of a 3.3V power supply; one end of the resistor R7 is connected with the negative electrode of the 3.3V power supply; the other end of the fire hydrant box lock switch S2, the other end of the capacitor C10 and the other end of the resistor R7 are simultaneously connected with the pin 10 of the STM32L151C8T6 singlechip, and the pin is used as an external input end of the wake-up singlechip.
The LoRa base station 5 is based on an SX1301 chip, can transfer data into the Internet through a network port after converting the data, and then transmits the data to a cloud server through an MQTT protocol.
The terminal system is terminal equipment of a management center such as a fire-fighting partition and/or a community property.
The LoRa communication module 6 and the STM32L15 series low-power consumption singlechip module 3 are integrated on the control circuit board 12, and the control circuit board 12 is fixed inside the intelligent hydrant box lock based on LoRa.
The intelligent hydrant box lock is fixed on the hydrant box through a fixing screw 15.
The beneficial effects of the invention are as follows: the invention can monitor the abnormal conditions of all the hydrant boxes distributed in the range of 5km in real time, and realize the function of remote automatic alarm of abnormal monitoring. Under the use environment of the fire hydrant equipment which is widely distributed and numerous, the inspection time of management personnel can be effectively reduced, so that the labor cost is reduced. The invention can ensure that when a fire disaster occurs, a user can timely take the fire-fighting equipment to self-rescue and extinguish the fire, and does not worry about the theft and damage condition of the fire-fighting equipment. The fire department can monitor the abnormal conditions of the hydrant boxes in the jurisdiction in real time and respond timely, and if the fire department is stolen and destroyed, the fire department can order the management center of the place of issue to repair equipment. If a fire disaster occurs, the fire disaster can be timely warned for rescue, so that the working efficiency can be improved, the maintenance cost can be reduced, and the fire safety can be ensured. And the price is low, and the modification and the application are convenient.
Drawings
FIG. 1 is a connection block diagram of the present invention;
fig. 2 is a block diagram of the hydrant box lock of the present invention;
FIG. 3 is a circuit diagram of a power module of the present invention;
FIG. 4 is a circuit diagram of a single chip microcomputer system of the present invention;
FIG. 5 is a circuit diagram of the LoRa module of the present invention;
FIG. 6 is a circuit diagram of a switch triggered interrupt circuit of the present invention;
fig. 7 is a system connection diagram of the present invention.
The reference numerals in the drawings: the fire hydrant cabinet switch triggering device comprises a 1-power module, a 2-hydrant cabinet switch triggering module, a 3-STM32L15 series low-power consumption single-chip microcomputer module, a 4-cloud server, a 5-LoRa base station, a 6-LoRa communication module, a 7-fire department terminal, an 8-district property terminal, a 9-locking plate, a 10-lock door with a LoRa mark, an 11-hydrant cabinet lock switch, a 12-control circuit board, 13-9V batteries, 14-battery doors, 15-fixing screws, 16-LoRa antennas, 17-locking pins, 18-elastic supports, 19-insulating gaskets, 20-elastic conductor columns, 21-positive electrode battery columns 21 and 22-negative electrode battery columns.
Description of the embodiments
The invention will be further described with reference to the drawings and the specific examples.
Example 1: as shown in fig. 1-7, a fire hydrant box abnormal real-time monitoring system of a LoRa star network structure comprises an intelligent fire hydrant box lock based on LoRa, a LoRa base station 5, a cloud server 4 and a terminal system, wherein the intelligent fire hydrant box lock based on LoRa comprises a power module 1, a fire hydrant box switch triggering module 2, an STM32L15 series low-power consumption singlechip module 3 and a LoRa communication module 6, the power module 1 is connected with the STM32L15 series low-power consumption singlechip module 3 and the LoRa communication module 6, the fire hydrant box switch triggering module 2 and the LoRa communication module 6 are connected with the STM32L15 series low-power consumption singlechip module 3, the STM32L15 series low-power consumption singlechip module 3 is in a sleep state in a normal state and stores an ID number based on unique identification of the intelligent fire hydrant box lock, the fire hydrant box switch triggering module 2 is used for triggering interruption of the STM32L15 series low-power consumption singlechip module 3 when the lock is opened, the LoRa communication module 6 is in wireless connection with the base station 5, the LoRa base station 4 is in wireless connection with the cloud server 4, and the wireless terminal system is in wireless connection.
Further, the fire hydrant box switch triggering module 2 comprises a locking plate 9, a lock bin door 10 with a LoRa mark, a fire hydrant box switch 11, a lock pin 17, an elastic support 18, an insulating gasket 19 and an elastic conductor post 20, wherein the locking plate 9 is connected with the lock bin door 10 with the LoRa mark, the power module 1 comprises a battery bin door 14 and a battery 13, the positive electrode of the battery 13 is led out of the positive electrode battery post 21, the negative electrode of the battery 13 is led out of the negative electrode battery post 22, the positive electrode battery post 21 is connected with the elastic conductor post 20 through a wire, the elastic conductor post 20 and the lock pin 17 are connected in an insulating mode, the elastic support 18 is connected behind the fire hydrant box switch 11, the lock pin 17 is connected with the elastic support 18 and is connected in the lock bin door 10 with the LoRa mark, when the fire hydrant box switch 11 is pressed down, the elastic support 18 is contracted, the lock bin 17 is separated from the lock bin door 10 with the LoRa mark, accordingly, the lock bin door 10 with the LoRa mark is sprung to a vertical state, the locking plate 9 is sprung to a vertical state, the fire hydrant box is opened, when the fire hydrant box switch 11 is pressed down, the LoRa switch 11 is connected with the lock pin 20 through the wire, the wire is connected with the lock pin 16 in the communication mode, the fire hydrant box switch is connected with the fire hydrant box switch 16 in sequence, and the fire hydrant box switch is connected with the fire hydrant box switch 16 through the wire, and the intelligent antenna is connected with the fire hydrant box switch through the wire, and the intelligent antenna, and the fire hydrant box switch is connected with the fire hydrant switch through the intelligent antenna, and the fire hydrant switch is connected through the fire hydrant switch, and the fire hydrant switch.
In the workflow, when the fire hydrant box lock switch 11 is pressed down, the elastic support 18 is tightened, the lock pin 17 is withdrawn out of the lock pin buckle, the lock door 10 with the LoRa mark is opened, and the lock plate 9 is sprung to the vertical state, namely, the fire hydrant box lock is in the open state, and the fire hydrant box is opened. When the fire hydrant box lock switch 11 is pressed down, the positive electrode battery post 21 is connected with the elastic conductor post 20 through a wire to be connected with an internal wire of the switch, and electric signals are transmitted into the STM32L15 series low-power-consumption singlechip module 3 through a conductor spring and the wire, so that the positive electrode battery post serves as a signal transmitting end when the switch is pressed down. When the fire hydrant box lock switch 11 is pressed down, an electric signal is transmitted to the STM32L15 series low-power consumption singlechip module 3 to trigger the interruption of the singlechip, the ID number of the fire hydrant door lock is transmitted to the LoRa communication module 6, and the LoRa communication module 6 transmits the ID number of the unlocked door lock to the LoRa base station 5 through the LoRa antenna 16.
The power module 1 can support the energy consumption of STM32L15 series low-power consumption singlechip module 3 and LoRa communication module 6 for one year and half to two years. Because the whole system consumes little power, the power consumption of the whole system is not more than 20us.h under the condition of not triggering a switch, and a 300mA battery can theoretically support the system for 2 years, the system can use 9V batteries 13 with the capacity of 9V-300mA, and a battery compartment door (14) can be opened for replacement when the batteries need to be replaced.
Further, the STM32L15 series low-power consumption single-chip microcomputer module 3 comprises a step-down voltage stabilizing circuit, an STM32L15 series single-chip microcomputer module circuit, a LoRa communication module circuit and a switch triggering interrupt circuit, wherein the step-down voltage stabilizing circuit comprises a diode D1, a polar capacitor C6, a capacitor C7, a capacitor C8, a capacitor C9, a resistor R4, a resistor R5, a resistor R6, an inductor L1 and a step-down voltage stabilizing chip SX2106, the positive electrode of a power supply led out from a battery box is connected with the positive electrode of the diode D1, the negative electrode of the diode D1 is connected with the pin 5 of the chip SX2106, and meanwhile, the negative electrode of the diode D1 is connected with the positive electrode of the polar capacitor C6, one end of the capacitor C7 and one end of the resistor R4; the negative electrode of the polar capacitor C6 and the other end of the polar capacitor C7 are connected with the negative electrode of the power supply led out from the battery box; the other end of the resistor R4 is connected with a pin 4 of the chip SX 2106; the No. 1 pin of the chip SX2106 is connected with one end of a capacitor C8, the other end of the capacitor C8 and the No. 6 pin of the chip SX2106 are connected with one end of an inductor L1, the other end of the inductor L1 is simultaneously connected with one end of a resistor R5 and one end of a capacitor C9, and the inductor L1 is simultaneously led out to be a 3.3V power supply anode to supply power to a singlechip system and each module; the other end of the resistor R5 is connected with the No. 3 pin of the chip SX2106 and one end of the R6, the other end of the resistor R6 and the other end of the capacitor C9 are connected with the No. 2 pin of the chip SX2106, and are simultaneously connected to the power supply negative electrode of the battery box, and the power supply negative electrode is led out to be 3.3V and used as a power supply loop of the singlechip system and each module.
Further, the STM32L15 series singlechip module circuit comprises an STM32L151C8T6 singlechip, a crystal oscillator circuit, a reset circuit and a mode selection circuit, wherein the crystal oscillator circuit comprises a capacitor C1, a capacitor C2, a capacitor C3, a capacitor C4, a resistor R1, a crystal oscillator Y1 and a crystal oscillator Y2; the reset circuit comprises a capacitor C5, a resistor R2 and a tact switch S1, and the mode selection circuit comprises a resistor R3; in the crystal oscillator circuit, the negative electrode of a power supply is simultaneously connected with one end of a capacitor C1, a capacitor C2, a capacitor C3 and a capacitor C4; the other end of the capacitor C1 is connected with one end of the crystal oscillator Y1 and a pin 3 of the STM32L151C8T6 singlechip; the other end of the capacitor C2 is connected with the other end of the crystal oscillator Y1 and a pin 4 of the STM32L151C8T6 singlechip; the other end of the capacitor C3 is connected with one end of the crystal oscillator Y2 and one end of the resistor R1, and is simultaneously connected with the pin 5 of the STM32L151C8T6 singlechip; the other end of the capacitor C4 is connected with the other end of the crystal oscillator Y2 and the other end of the resistor R1, and is simultaneously connected with the pin 6 of the STM32L151C8T6 singlechip; in the reset circuit, one end of a resistor R2 is connected with the positive electrode of a 3.3V power supply; one end of the tact switch S1 and one end of the capacitor C5 are simultaneously connected with the negative electrode of the 3.3V power supply; the other end of the resistor R2, the other end of the switch S1 and the other end of the capacitor C5 are simultaneously connected with the pin 7 of the STM32L151C8T6 singlechip; in the mode selection circuit, one end of a resistor R3 is connected with the negative electrode of a 3.3V power supply, and the other end of the resistor R3 is connected with a pin 44 of the STM32L151C8T6 singlechip; pin 1, pin 9, pin 24, pin 35 and pin 47 of the STM32L151C8T6 singlechip are connected with the positive electrode of a 3.3V power supply; pin 8, pin 23, pin 36 and pin 48 of the STM32L151C8T6 singlechip are connected with the negative pole of the 3.3V power supply.
Further, the LoRa communication module circuit comprises a LoRa module based on SX1208 and an antenna E1; the switch triggering interrupt circuit comprises a fire hydrant box lock switch S2, a capacitor C10 and a resistor R7; pin 1 of the LoRa module is connected with antenna E1; pin 4 of the LoRa module is connected with pin 13 of the STM32L151C8T6 singlechip; pin 5 of LoRa module connects pin 11 of STM32L151C8T6 singlechip; pin 15 of the LoRa module is connected with pin 14 of STM32L151C8T6 singlechip; pin 14 of the LoRa module is connected with pin 17 of the STM32L151C8T6 singlechip; pin 13 of the LoRa module is connected with pin 16 of STM32L151C8T6 singlechip; pin 12 of the LoRa module is connected with pin 15 of the STM32L151C8T6 singlechip; in addition, pin 3 of the LoRa module is connected with the positive electrode of a 3.3V power supply; pin 2, pin 9, and pin 16 of the LoRa module are connected to the negative pole of the 3.3V power supply. One end of the fire hydrant box lock switch S2 and one end of the capacitor C10 are connected with the positive electrode of a 3.3V power supply; one end of the resistor R7 is connected with the negative electrode of the 3.3V power supply; the other end of the fire hydrant box lock switch S2, the other end of the capacitor C10 and the other end of the resistor R7 are simultaneously connected with the pin 10 of the STM32L151C8T6 singlechip, and the pin is used as an external input end of the wake-up singlechip.
Further, the LoRa base station is based on an SX1301 chip, and is capable of receiving data sent from a LoRa terminal within a range of 5km nearby, transmitting the data to the internet through a network port after converting the data, and then transmitting the data to the cloud server 4 through an MQTT protocol, wherein the cloud server 4 is capable of transmitting the data to terminal equipment of a management center such as a fire-fighting partition and/or a community property, so that a manager is informed of position information of an opened hydrant box, and a fire-fighting device is warned of abnormal movement, or a fire disaster occurs.
The terminal system is terminal equipment of a management center such as a fire-fighting partition and/or a community property.
The LoRa communication module 6 and the STM32L15 series low-power consumption singlechip module 3 are integrated on the control circuit board 12, and the control circuit board 12 is fixed inside the intelligent hydrant box lock based on LoRa.
The intelligent fire hydrant box lock is fixed on the fire hydrant box through the fixing screw 15, and is simple in structure and convenient to install.
The working principle of the invention is as follows:
in the practical process, in order to save energy consumption, the STM32L15 series low-power consumption singlechip module 3 and the LoRa communication module 6 are in a sleep state normally, when the fire hydrant box switch 11 of the fire hydrant box is pressed, an electric signal of the positive electrode of a power supply is transmitted to the STM32L15 series low-power consumption singlechip module 3 through the fire hydrant box switch 11, the STM32L15 series low-power consumption singlechip module 3 is awakened, the LoRa communication module 6 is further awakened, the self ID number is transmitted to a nearby LoRa base station 5 through the LoRa communication module 6, the LoRa base station 5 can upload data to the cloud server 4 through an MQTT protocol, the cloud server 4 can transmit the data to terminal equipment of a fire-fighting partition and/or a district property management center, the management center receives monitoring information, and the fire hydrant box with abnormal positions through the transmitted ID number.
While the present invention has been described in detail with reference to the drawings, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (8)
1. A fire hydrant case abnormal real-time monitoring system of LoRa star network structure which characterized in that: the intelligent fire hydrant box lock based on the LoRa comprises a power module (1), a fire hydrant box switch triggering module (2), an STM32L15 series low-power consumption single-chip microcomputer module (3) and a LoRa communication module (6), wherein the power module (1) is connected with the STM32L15 series low-power consumption single-chip microcomputer module (3) and the LoRa communication module (6), the fire hydrant box switch triggering module (2), the LoRa communication module (6) are connected with the STM32L15 series low-power consumption single-chip microcomputer module (3), the STM32L15 series low-power consumption single-chip microcomputer module (3) is in a sleep state normally and stores an ID number of a unique identifier of the intelligent fire hydrant box lock based on the LoRa, the fire hydrant box switch triggering module (2) is used for conducting interrupt triggering on the 32L15 series low-power consumption single-chip microcomputer module (3) when the lock is opened, the LoRa communication module (6) is in wireless connection with the LoRa base station (5), and the LoRa 32L15 series low-power consumption single-chip microcomputer module (3) is in wireless sleep state, and the STM32L15 series low-power consumption single-chip microcomputer module (4) is in wireless state, and the cloud terminal system is in wireless connection with the cloud terminal system;
the fire hydrant box switch triggering module (2) comprises a locking plate (9), a lock bin door (10) with a LoRa mark, a fire hydrant box switch (11), a lock pin (17), an elastic support (18), an insulating gasket (19) and an elastic conductor column (20), wherein the locking plate (9) is connected with the lock bin door (10) with the LoRa mark, the power module (1) comprises a battery bin door (14) and a battery (13), the positive electrode of the battery (13) is led out of the positive electrode battery column (21), the negative electrode of the battery (13) is led out of the negative electrode battery column (22), the positive electrode battery column (21) is connected with the elastic conductor column (20) through a wire, the elastic conductor column (20) is connected with the lock pin (17) in an insulating mode, the elastic support (18) is connected behind the fire hydrant box switch (11), the lock pin (17) is connected with the elastic support (18) and is connected in the lock bin door (10) with the LoRa mark, when the fire hydrant box switch (11) is pressed down, the elastic support (18) is contracted, the mark (17) is led out of the lock bin door (10) through a wire, the lock bin door (10) is pulled out of the fire hydrant box switch (10) through a wire, and the lock pin (17) is pulled down when the fire hydrant box switch is opened vertically, the elastic conductor column (20) is connected with the fire hydrant box switch (11) in a contact mode, at the moment, an electric signal sequentially passes through the elastic conductor column (20) and an internal lead of the fire hydrant box switch (11), and finally is transmitted into an interrupt pin of the STM32L15 series low-power consumption singlechip module (3), and the LoRa antenna (16) is connected to the LoRa communication module (6) and is positioned in an inner cavity of the intelligent fire hydrant box lock based on LoRa.
2. The fire hydrant cabinet abnormality real-time monitoring system of a LoRa star network structure according to claim 1, characterized in that: the STM32L15 series low-power consumption singlechip module (3) comprises a voltage-reducing voltage-stabilizing circuit, an STM32L15 series singlechip module circuit, a LoRa communication module circuit and a switch triggering interrupt circuit, wherein the voltage-reducing voltage-stabilizing circuit comprises a diode D1, a polar capacitor C6, a capacitor C7, a capacitor C8, a capacitor C9, a resistor R4, a resistor R5, a resistor R6, an inductor L1 and a voltage-reducing voltage-stabilizing chip SX2106, the positive electrode of a power supply led out from a battery box is connected with the positive electrode of the diode D1, the negative electrode of the diode D1 is connected with the No. 5 pin of the chip SX2106, and meanwhile, the negative electrode of the diode D1 is connected with the positive electrode of the polar capacitor C6, one end of the capacitor C7 and one end of the resistor R4; the negative electrode of the polar capacitor C6 and the other end of the polar capacitor C7 are connected with the negative electrode of the power supply led out from the battery box; the other end of the resistor R4 is connected with a pin 4 of the chip SX 2106; the No. 1 pin of the chip SX2106 is connected with one end of a capacitor C8, the other end of the capacitor C8 and the No. 6 pin of the chip SX2106 are connected with one end of an inductor L1, the other end of the inductor L1 is simultaneously connected with one end of a resistor R5 and one end of a capacitor C9, and the inductor L1 is simultaneously led out to be a 3.3V power supply anode to supply power to a singlechip system and each module; the other end of the resistor R5 is connected with the No. 3 pin of the chip SX2106 and one end of the R6, the other end of the resistor R6 and the other end of the capacitor C9 are connected with the No. 2 pin of the chip SX2106, and are simultaneously connected to the power supply negative electrode of the battery box, and the power supply negative electrode is led out to be 3.3V and used as a power supply loop of the singlechip system and each module.
3. The fire hydrant cabinet abnormal real-time monitoring system of a LoRa star network structure according to claim 2, wherein: the STM32L15 series singlechip module circuit comprises an STM32L151C8T6 singlechip, a crystal oscillator circuit, a reset circuit and a mode selection circuit, wherein the crystal oscillator circuit comprises a capacitor C1, a capacitor C2, a capacitor C3, a capacitor C4, a resistor R1, a crystal oscillator Y1 and a crystal oscillator Y2; the reset circuit comprises a capacitor C5, a resistor R2 and a tact switch S1, and the mode selection circuit comprises a resistor R3; in the crystal oscillator circuit, the negative electrode of a power supply is simultaneously connected with one end of a capacitor C1, a capacitor C2, a capacitor C3 and a capacitor C4; the other end of the capacitor C1 is connected with one end of the crystal oscillator Y1 and a pin 3 of the STM32L151C8T6 singlechip; the other end of the capacitor C2 is connected with the other end of the crystal oscillator Y1 and a pin 4 of the STM32L151C8T6 singlechip; the other end of the capacitor C3 is connected with one end of the crystal oscillator Y2 and one end of the resistor R1, and is simultaneously connected with the pin 5 of the STM32L151C8T6 singlechip; the other end of the capacitor C4 is connected with the other end of the crystal oscillator Y2 and the other end of the resistor R1, and is simultaneously connected with the pin 6 of the STM32L151C8T6 singlechip; in the reset circuit, one end of a resistor R2 is connected with the positive electrode of a 3.3V power supply; one end of the tact switch S1 and one end of the capacitor C5 are simultaneously connected with the negative electrode of the 3.3V power supply; the other end of the resistor R2, the other end of the switch S1 and the other end of the capacitor C5 are simultaneously connected with the pin 7 of the STM32L151C8T6 singlechip; in the mode selection circuit, one end of a resistor R3 is connected with the negative electrode of a 3.3V power supply, and the other end of the resistor R3 is connected with a pin 44 of the STM32L151C8T6 singlechip; pin 1, pin 9, pin 24, pin 35 and pin 47 of the STM32L151C8T6 singlechip are connected with the positive electrode of a 3.3V power supply; pin 8, pin 23, pin 36 and pin 48 of the STM32L151C8T6 singlechip are connected with the negative pole of the 3.3V power supply.
4. The fire hydrant cabinet abnormal real-time monitoring system of a LoRa star network structure according to claim 2, wherein: the LoRa communication module circuit comprises a LoRa module based on SX1208 and an antenna E1; the switch triggering interrupt circuit comprises a fire hydrant box lock switch (11) S2, a capacitor C10 and a resistor R7; pin 1 of the LoRa module is connected with antenna E1; pin 4 of the LoRa module is connected with pin 13 of the STM32L151C8T6 singlechip; pin 5 of LoRa module connects pin 11 of STM32L151C8T6 singlechip; pin 15 of the LoRa module is connected with pin 14 of STM32L151C8T6 singlechip; pin 14 of the LoRa module is connected with pin 17 of the STM32L151C8T6 singlechip; pin 13 of the LoRa module is connected with pin 16 of STM32L151C8T6 singlechip; pin 12 of the LoRa module is connected with pin 15 of the STM32L151C8T6 singlechip; in addition, pin 3 of the LoRa module is connected with the positive electrode of a 3.3V power supply; pin 2, pin 9 and pin 16 of the LoRa module are connected with the negative electrode of the 3.3V power supply; one end of a fire hydrant box lock switch (11) S2 and one end of a capacitor C10 are connected with the positive electrode of a 3.3V power supply; one end of the resistor R7 is connected with the negative electrode of the 3.3V power supply; the other end of the fire hydrant box lock switch (11) S2, the other end of the capacitor C10 and the other end of the resistor R7 are simultaneously connected with the pin 10 of the STM32L151C8T6 singlechip, and the pin is used as an external input end of the wake-up singlechip.
5. A fire hydrant box abnormal real-time monitoring system of a LoRa star network structure according to any one of claims 1-4, wherein: the LoRa base station (5) is based on an SX1301 chip, can convert data, then transmits the data to the cloud server through a network interface, and then transmits the data to the cloud server through an MQTT protocol.
6. A fire hydrant box abnormal real-time monitoring system of a LoRa star network structure according to any one of claims 1-4, wherein: the terminal system is terminal equipment of a fire-fighting partition and/or a community property management center.
7. A fire hydrant box abnormal real-time monitoring system of a LoRa star network structure according to any one of claims 1-4, wherein: loRa communication module (6) and STM32L15 series low-power consumption singlechip module (3) integrate on control circuit board (12), control circuit board (12) are fixed in the intelligent hydrant case lock based on the LoRa.
8. A fire hydrant box abnormal real-time monitoring system of a LoRa star network structure according to any one of claims 1-4, wherein: the intelligent fire hydrant box lock is fixed on the fire hydrant box through a fixing screw (15).
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| CN108989455A (en) * | 2018-08-13 | 2018-12-11 | 中国科学院声学研究所南海研究站 | A kind of data based on LoRa Internet of Things report and instruct delivery method |
| CN109116400A (en) * | 2018-08-31 | 2019-01-01 | 李嘉睿 | A kind of low power targeting methods, device, system, computer equipment and storage medium |
| CN109156379B (en) * | 2018-09-05 | 2023-09-26 | 昆明理工大学 | Real-time embedded equipment for step counting and positioning of animal husbandry animals |
| CN113791440B (en) * | 2021-08-25 | 2024-05-17 | 昆明理工大学 | CPS-based radiation monitoring equipment |
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